 LPI 201-450 : LPIC-2 test
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201-450 test
Format | 201-450 Course Contents | 201-450 Course Outline | 201-450 test
Syllabus | 201-450 test
Objectives
Exam Title :
LPIC-2 Linux Engineer
Exam ID :
201-450
90 mins
Questions in test
:
60
Passing Score :
500 / 800
Exam Center :
LPI Marketplace
Real Questions :
LPI LPIC-2 Real Questions
VCE Practice Test :
LPI 201-450 Certification VCE Practice Test
Topic 200: Capacity Planning
200.1 Measure and Troubleshoot Resource Usage
Weight: 6
Description: Candidates should be able to measure hardware resource and network bandwidth, identify and troubleshoot resource problems.
Key Knowledge Areas:
- Measure CPU usage
- Measure memory usage
- Measure disk I/O
- Measure network I/O
- Measure firewalling and routing throughput
- Map client bandwidth usage
- Match / correlate system symptoms with likely problems
- Estimate throughput and identify bottlenecks in a system including networking
The following is a partial list of the used files, terms and utilities:
- iostat
- netstat
- w
- top
- sar
- processes blocked on I/O
- blocks out
- vmstat
- pstree, ps
- Isof
- uptime
- swap
- blocks in
200.2 Predict Future Resource Needs
Weight: 2
Description: Candidates should be able to monitor resource usage to predict future resource needs.
Key Knowledge Areas:
- Use monitoring and measurement tools to monitor IT infrastructure usage.
- Predict capacity break point of a configuration
- Observe growth rate of capacity usage
- Graph the trend of capacity usage
- Awareness of monitoring solutions such as Icinga2, Nagios, collectd, MRTG and Cacti
The following is a partial list of the used files, terms and utilities:
- diagnose
- predict growth
- resource exhaustion
Topic 201: Linux Kernel
201.1 Kernel Components
Weight: 2
Description: Candidates should be able to utilize kernel components that are necessary to specific hardware, hardware drivers, system resources and requirements. This objective includes implementing different types of kernel images, identifying stable and development kernels and patches, as well as using kernel modules.
Key Knowledge Areas:
- Kernel 2.6.x, 3.x and 4.x documentation
Terms and Utilities:
- /usr/src/linux/
- /usr/src/linux/Documentation/
- zImage
- bzImage
- xz compression
201.2 Compiling a kernel
Weight: 3
Description: Candidates should be able to properly configure a kernel to include or disable specific features of the Linux kernel as necessary. This objective includes compiling and recompiling the Linux kernel as needed, updating and noting changes in a new kernel, creating an initrd image and installing new kernels.
Key Knowledge Areas:
- /usr/src/linux/
- Kernel Makefiles
- Kernel 2.6.x/3.x make targets
- Customize the current kernel configuration.
- Build a new kernel and appropriate kernel modules.
- Install a new kernel and any modules.
- Ensure that the boot manager can locate the new kernel and associated files.
- Module configuration files
- Use DKMS to compile kernel modules.
- Awareness of dracut
Terms and Utilities:
- mkinitrd
- mkinitramfs
- make
- make targets (all, config, xconfig, menuconfig, gconfig, oldconfig, mrproper, zImage, bzImage, modules, modules_install, rpm-pkg, binrpm-pkg, deb-pkg)
- gzip
- bzip2
- module tools
- /usr/src/linux/.config
- /lib/modules/kernel-version/
- depmod
- dkms
201.3 Kernel runtime management and troubleshooting
Weight: 4
Description: Candidates should be able to manage and/or query a 2.6.x, 3.x or 4.x kernel and its loadable modules. Candidates should be able to identify and correct common boot and run time issues. Candidates should understand device detection and management using udev. This objective includes troubleshooting udev rules.
Key Knowledge Areas:
- Use command-line utilities to get information about the currently running kernel and kernel modules
- Manually load and unload kernel modules
- Determine when modules can be unloaded
- Determine what parameters a module accepts
- Configure the system to load modules by names other than their file name.
- /proc filesystem
- Content of /, /boot/ , and /lib/modules/
- Tools and utilities to analyze information about the available hardware
- udev rules
Terms and Utilities:
- /lib/modules/kernel-version/modules.dep
- module configuration files in /etc/
- /proc/sys/kernel/
- /sbin/depmod
- /sbin/rmmod
- /sbin/modinfo
- /bin/dmesg
- /sbin/lspci
- /usr/bin/lsdev
- /sbin/lsmod
- /sbin/modprobe
- /sbin/insmod
- /bin/uname
- /usr/bin/lsusb
- /etc/sysctl.conf, /etc/sysctl.d/
- /sbin/sysctl
- udevmonitor
- udevadm monitor
- /etc/udev/
Topic 202: System Startup
202.1 Customizing SysV-init system startup
Weight: 3
Description: Candidates should be able to query and modify the behaviour of system services at various targets / run levels. A thorough understanding of the systemd, SysV Init and the Linux boot process is required. This objective includes interacting with systemd targets and SysV init run levels.
Key Knowledge Areas:
- Systemd
- SysV init
- Linux Standard Base Specification (LSB)
Terms and Utilities:
- /usr/lib/systemd/
- /etc/systemd/
- /run/systemd/
- systemctl
- systemd-delta
- /etc/inittab
- /etc/init.d/
- /etc/rc.d/
- chkconfig
- update-rc.d
- init and telinit
202.2 System Recovery
Weight: 4
Description: Candidates should be able to properly manipulate a Linux system during both the boot process and during recovery mode. This objective includes using both the init utility and init-related kernel options. Candidates should be able to determine the cause of errors in loading and usage of bootloaders. GRUB version 2 and GRUB Legacy are the bootloaders of interest. Both BIOS and UEFI systems are covered.
Key Knowledge Areas:
- BIOS and UEFI
- NVMe booting
- GRUB version 2 and Legacy
- grub shell
- boot loader start and hand off to kernel
- kernel loading
- hardware initialisation and setup
- daemon/service initialisation and setup
- Know the different boot loader install locations on a hard disk or removable device.
- Overwrite standard boot loader options and using boot loader shells.
- Use systemd rescue and emergency modes.
Terms and Utilities:
- mount
- fsck
- inittab, telinit and init with SysV init
- The contents of /boot/, /boot/grub/ and /boot/efi/
- EFI System Partition (ESP)
- GRUB
- grub-install
- efibootmgr
- UEFI shell
- initrd, initramfs
- Master boot record
- systemctl
202.3 Alternate Bootloaders
Weight: 2
Description: Candidates should be aware of other bootloaders and their major features.
Key Knowledge Areas:
- SYSLINUX, ISOLINUX, PXELINUX
- Understanding of PXE for both BIOS and UEFI
- Awareness of systemd-boot and U-Boot
Terms and Utilities:
- syslinux
- extlinux
- isolinux.bin
- isolinux.cfg
- isohdpfx.bin
- efiboot.img
- pxelinux.0
- pxelinux.cfg/
- uefi/shim.efi
- uefi/grubx64.efi
Topic 203: Filesystem and Devices
203.1 Operating the Linux filesystem
Weight: 4
Description: Candidates should be able to properly configure and navigate the standard Linux filesystem. This objective includes configuring and mounting various filesystem types.
Key Knowledge Areas:
- The concept of the fstab configuration
- Tools and utilities for handling swap partitions and files
- Use of UUIDs for identifying and mounting file systems
- Understanding of systemd mount units
Terms and Utilities:
- /etc/fstab
- /etc/mtab
- /proc/mounts
- mount and umount
- blkid
- sync
- swapon
- swapoff
203.2 Maintaining a Linux filesystem=>
Weight: 3
Description: Candidates should be able to properly maintain a Linux filesystem using system utilities. This objective includes manipulating standard filesystems and monitoring SMART devices.
Key Knowledge Areas:
- Tools and utilities to manipulate and ext2, ext3 and ext4
- Tools and utilities to perform basic Btrfs operations, including subvolumes and snapshots
- Tools and utilities to manipulate XFS
- Awareness of ZFS
Terms and Utilities:
- mkfs (mkfs.*)
- mkswap
- fsck (fsck.*)
- tune2fs, dumpe2fs and debugfs
- btrfs, btrfs-convert
- xfs_info, xfs_check, xfs_repair, xfsdump and xfsrestore
- smartd, smartctl
203.3 Creating and configuring filesystem options
Weight: 2
Description: Candidates should be able to configure automount filesystems using AutoFS. This objective includes configuring automount for network and device filesystems. Also included is creating filesystems for devices such as CD-ROMs and a basic feature knowledge of encrypted filesystems.
Key Knowledge Areas:
- autofs configuration files
- Understanding of automount units
- UDF and ISO9660 tools and utilities
- Awareness of other CD-ROM filesystems (HFS)
- Awareness of CD-ROM filesystem extensions (Joliet, Rock Ridge, El Torito)
- Basic feature knowledge of data encryption (dm-crypt / LUKS)
Terms and Utilities:
- /etc/auto.master
- /etc/auto.[dir]
- mkisofs
- cryptsetup
Topic 204: Advanced Storage Device Administration
204.1 Configuring RAID
Weight: 3
Description: Candidates should be able to configure and implement software RAID. This objective includes using and configuring RAID 0, 1 and 5.
Key Knowledge Areas:
- Software raid configuration files and utilities
Terms and Utilities:
- mdadm.conf
- mdadm
- /proc/mdstat
- partition type 0xFD
204.2 Adjusting Storage Device Access
Weight: 2
Description: Candidates should be able to configure kernel options to support various drives. This objective includes software tools to view & modify hard disk settings including iSCSI devices.
Key Knowledge Areas:
- Tools and utilities to configure DMA for IDE devices including ATAPI and SATA
- Tools and utilities to configure Solid State Drives including AHCI and NVMe
- Tools and utilities to manipulate or analyse system resources (e.g. interrupts)
- Awareness of sdparm command and its uses
- Tools and utilities for iSCSI
- Awareness of SAN, including relevant protocols (AoE, FCoE)
Terms and Utilities:
- hdparm, sdparm
- nvme
- tune2fs
- fstrim
- sysctl
- /dev/hd*, /dev/sd*, /dev/nvme*
- iscsiadm, scsi_id, iscsid and iscsid.conf
- WWID, WWN, LUN numbers
204.3 Logical Volume Manager
Weight: 3
Description: Candidates should be able to create and remove logical volumes, volume groups, and physical volumes. This objective includes snapshots and resizing logical volumes.
Key Knowledge Areas:
- Tools in the LVM suite
- Resizing, renaming, creating, and removing logical volumes, volume groups, and physical volumes
- Creating and maintaining snapshots
- Activating volume groups
Terms and Utilities:
- /sbin/pv*
- /sbin/lv*
- /sbin/vg*
- mount
- /dev/mapper/
- lvm.conf
Topic 205: Network Configuration
205.1 Basic networking configuration
Weight: 3
Description: Candidates should be able to configure a network device to be able to connect to a local, wired or wireless, and a wide-area network. This objective includes being able to communicate between various subnets within a single network including both IPv4 and IPv6 networks.
Key Knowledge Areas:
- Utilities to configure and manipulate ethernet network interfaces
- Configuring basic access to wireless networks
Terms and Utilities:
- ip
- ifconfig
- route
- arp
- iw
- iwconfig
- iwlist
205.2 Advanced Network Configuration and Troubleshooting
Weight: 4
Description: Candidates should be able to configure a network device to implement various network authentication schemes. This objective includes configuring a multi-homed network device and resolving communication problems.
Key Knowledge Areas:
- Utilities to manipulate routing tables
- Utilities to configure and manipulate ethernet network interfaces
- Utilities to analyze the status of the network devices
- Utilities to monitor and analyze the TCP/IP traffic
Terms and Utilities:
- ip
- ifconfig
- route
- arp
- ss
- netstat
- lsof
- ping, ping6
- nc
- tcpdump
- nmap
205.3 Troubleshooting Network Issues
Weight: 4
Description: Candidates should be able to identify and correct common network setup issues, to include knowledge of locations for basic configuration files and commands.
Key Knowledge Areas:
- Location and content of access restriction files
- Utilities to configure and manipulate ethernet network interfaces
- Utilities to manage routing tables
- Utilities to list network states.
- Utilities to gain information about the network configuration
- Methods of information about the recognized and used hardware devices
- System initialization files and their contents (SysV init process)
- Awareness of NetworkManager and its impact on network configuration
Terms and Utilities:
- ip
- ifconfig
- route
- ss
- netstat
- /etc/network/, /etc/sysconfig/network-scripts/
- ping, ping6
- traceroute, traceroute6
- mtr
- hostname
- System log files such as /var/log/syslog, /var/log/messages and the systemd journal
- dmesg
- /etc/resolv.conf
- /etc/hosts
- /etc/hostname, /etc/HOSTNAME
- /etc/hosts.allow, /etc/hosts.deny
Topic 206: System Maintenance
206.1 Make and install programs from source
Weight: 2
Description: Candidates should be able to build and install an executable program from source. This objective includes being able to unpack a file of sources.
Key Knowledge Areas:
- Unpack source code using common compression and archive utilities
- Understand basics of invoking make to compile programs
- Apply parameters to a configure script
- Know where sources are stored by default
Terms and Utilities:
- /usr/src/
- gunzip
- gzip
- bzip2
- xz
- tar
- configure
- make
- uname
- install
- patch
206.2 Backup operations
Weight: 3
Description: Candidates should be able to use system tools to back up important system data.
Key Knowledge Areas:
- Knowledge about directories that have to be include in backups
- Awareness of network backup solutions such as Amanda, Bacula, Bareos and BackupPC
- Knowledge of the benefits and drawbacks of tapes, CDR, disk or other backup media
- Perform partial and manual backups.
- Verify the integrity of backup files.
- Partially or fully restore backups.
Terms and Utilities:
- /bin/sh
- dd
- tar
- /dev/st* and /dev/nst*
- mt
- rsync
206.3 Notify users on system-related issues
Weight: 1
Description: Candidates should be able to notify the users about current issues related to the system.
Key Knowledge Areas:
- Automate communication with users through logon messages
- Inform active users of system maintenance
Terms and Utilities:
- /etc/issue
- /etc/issue.net
- /etc/motd
- wall
- /sbin/shutdown
- systemctl
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LPI of Practice Test
Digital digital camera home > photograph utility > Vuescan 8.1DO your self A desire
by MIKE PASINIEditorThe Imaging resource Digital images e-newsletter
review Date: December 2004
We couldn't trust it. With a roll of color negatives to scan, we were looking at our display trying as soon as again to decipher the scanner brand's array of icons. We knew exactly what we desired to do. however which click led the place made us consider like we were playing Myst IV, not scanning slides.
"Do your self a prefer," we advised ourselves. Use anything whose artful design requires no cosmetics. What? We knew what. VueScan from Hamrick application (http://www.hamrick.com). it be been doing favors for scanners for years now, due to the efforts of 1 guy. Ed.
WHO'S ED? | again to Contents
Ed discovered FORTRAN on a CDC mainframe when he turned into 15. He worked at NASA/JPL whereas attending California Institute of know-how, dabbling within the Voyager venture. He stop his job at Boeing to work on an Atari painting software called Leonardo da Video and five years later wrote a JPEG viewer called VuePrint.
At NASA he bought into satellite photos however he'd already developed an interest in images, impressed via his father.
Legend has it he bought a Hewlett-Packard PhotoSmart scanner and became so disappointed with its application that he wrote his personal. He called it VueSmart and gave it away with VuePrint.
Then he purchased a Nikon LS-30 scanner and VueScan became born. The latest edition with over a hundred,000 clients runs on Linux, Macintosh and windows and helps over four hundred flatbed and film scanners and 109 digital digital camera uncooked formats.
and how does Ed have time to increase this often up-to-date software? No cellphone calls and no conferences, that's how. sensible man.
ABOUT VUESCAN | returned to Contents
This review (illustrated at http://www.imaging-aid.com/gentle/VUE/VUE.HTM) concentrates on film scanning because this is what we did, but it also covers some flatbed elements.
Flatbed or movie, you cannot buy a scanner with out scanner utility. So this market is a tricky nut to crack. Your competitors has an interior angle.
For a long time, anyway. then you definately Boost your operating device or alternate hardware and unexpectedly your scanner is rarely supported with the aid of the company anymore.
VueScan has been the lifesaver of the scanner world with the aid of helping older hardware on new structures even when the brand throws within the towel. The VueScan solution has worked for pioneers on OS X without a location to turn in addition to windows and Linux users with out a supported driver.
SilverFast, its simplest real competitor, requires the brand's driver. and you have to purchase a replica for each and every scanner you personal. One replica of VueScan handles whatever hardware you throw at it. And it does it devoid of touching your gadget, so you can run it with another scanning application.
those are compelling aspects, but for those who get down to work, the points you care about are those that assist you tackle the stressful assignment of scanning. VueScan, with IT8 colour calibration, sixteen-bit channels and infrared cleansing assist, is no slouch there both. but plenty of its intelligence is harnessed to the desktop, now not you, so you don't have to be a technical wizard to get first rate scans. it's computerized color steadiness feature is only one example.
There are two types of the application. The $49.95 commonplace edition offers three hundred and sixty five days of free enhancements. The $89.95 skilled edition provides unlimited upgrades and aid for raw scans, ICC profiles and color spaces, plus IT8 colour calibration.
equipment requirements | lower back to Contents
Hamrick would not quote any particular system necessities but when which you could run a scanner for your system, you could run VueScan.
VueScan runs on windows ninety five/98/ME/NT/2K/XP with all general SCSI cards. The current version additionally runs on Linux and Mac OS X. there's an older edition for Mac OS 9. unlock notes for each OS cover the leading generic issues with specific hardware.
setting up | returned to Contents
installation is primary. VueScan is just one file in its own directory. Put it the place ever you need.
The home windows version installs to power C, however which you could (as the installer notes) circulation the folder to some other power. it be fully self-contained.
Of direction, simplicity has its drawbacks. contemporary working techniques want to have things like profiles in a principal place. VueScan keeps every little thing in its personal directory.
aid | back to Contents
A word about support. As a one man band, Ed's email-most effective stricture is a vital approach. we have now used quite a lot of types of VueScan through the years and went through three versions all over this overview. VueScan is up to date generally. So do not interrupt Ed simply because you scent smoke.
First, make certain your scanner is supported (http://www.hamrick.com/vuescan/vuescan.htm#supported). 2d, see in case your subject is a general problem via first checking the liberate notes for the version that runs on your operating gadget (http://www.hamrick.com/vuescan/vuescan.htm) and secondly browsing comp.periphs.scanners newsgroup. Google (http://businesses.google.com) makes that handy.
If that would not help, electronic mail an issue document to Ed but encompass all the counsel he requests on the aid web page (http://www.hamrick.com/sup.html). If there is rarely a liberate that addresses your subject in 25 minutes, Ed probably has a chilly.
attending to WORK | returned to Contents
VueScan does a lot but it continues to itself. It might not scan an image from Photoshop however it will hand one off to Photoshop by way of writing a file to disk and optionally opening it to your photograph editor. This isn't a big cope with a multitasking operating equipment.
it may additionally do a lot of work to the photograph earlier than it writes it to disk and that work can save you a great bit of time. So knowing how to healthy VueScan into your workflow is a crucial first step in learning it.
happily, Hamrick offers loads of advice.
you could with no trouble set VueScan to do batch scanning with a view to set the proper exposure to your movie (instantly eliminating any masks colour) and skipping the preview. that you may scan uncooked files to make edits in accordance with output later.
PROFILING | lower back to Contents
however the first issue you should do is profile your scanner. VueScan makes this effortless by using normal IT8 scanner calibration ambitions. These aims are available at budget friendly costs on-line from Wolf Faust (http://www.targets.coloraid.de).
An IT8 goal contains a color chart and a reference file. The reference file describes the specific colour values of the accompanying color chart. When these favourite values are scanned by using your scanner and the output in comparison to the values of the reference file, the variations are written to the profile file.
to use an IT8 target with VueScan, you reproduction the goal file as scanner.it8 into the VueScan listing. then you Preview your target after telling VueScan you are looking to profile the scanner.
A mask outlining the IT8 goal pops up over the preview. You align the mask to the target via dragging its corners into place. When the masks and image are aligned, you Profile the scanner. That writes a profile named scanner.icc to the VueScan listing.
that you would be able to also use VueScan and your scanner to profile your printer/ink/paper aggregate. VueScan can make an IT8 goal to your printer which you pop into your scanner and scan to profile the printer. in this case, VueScan is aware of the values of the target, so that you don't need a reference file. It writes the profile as printer.icc in the VueScan listing.
Profiling is not the identical as calibrating. VueScan does present a Calibrate command in the menu bar for scanners that help calibration. Calibration compensates for uneven lighting in the scanner, various sensor factor sensitivity and the darkish current of each and every sensor point. briefly, calibration attempts to make each and every CCD aspect behave the identical.
SCANNING procedure | returned to Contents
VueScan first scans a picture after which it approaches the raw sensor facts the scanner has captured.
The scanning step itself may involve focusing the scanner and setting the CCD exposure time, the scan enviornment, the variety of bits per pattern, the number of samples per pixel and the scan decision.
Processing is performed for both the preview and the last scan and might be repeated devoid of rescanning if you trap the uncooked sensor statistics. step one in processing is the usage of any infrared information (captured through some movie scanners) to get rid of dirt. A cleaning filter, which removes grime spots and reduces movie grain, is then applied to the graphic. restore colour and restore fading filters are utilized if enabled. Then corrections in response to film qualities are utilized. A 3x3 filter is applied to the photograph to increase its sharpness earlier than colour correction is utilized.
VueScan's interior file structure is 16-bit linear even when a scanner best helps 10-bit samples.
INTERFACE | lower back to Contents
Ah, the interface. We doubtless stand on my own right here, but we find it irresistible. No, it is never fancy. And it may possibly get a bit cluttered. however its simplicity (nothing extra complex than your ordinary internet form) appeals to us. We're a bit weary of poorly designed icons that fail to assist you be aware what they do. A observe would do.
it's so elementary, really, that the consumer book doesn't have to inn to reveal shots. think about that. The Getting started PDF, youngsters, does (so worry no longer).
The VueScan interface begins with its menu bar. commands encompass File, Scanner (calibrate, eject, focal point, and many others.), Profile, image (zoom, rotate, flip, and many others.) and assist (which takes you to the on-line user book).
however the leading interface is a dialog window divided into a left-hand pane of instructions and a correct-hand pane for display of the scan above a row of motion buttons (Preview, Scan, retailer, and so on.) with a status bar on the bottom that studies the state of lively tasks and the picture dimensions of the saved file.
The command pane is tabbed with six alternate options: input, Crop, Filter, color, Output and Prefs. A popup options menu at the bottom of each and every tabbed command pane is the important thing to enabling the extra superior options.
And there are a dozen scorching keys for popular instructions like store, Print, give up, Scan, Abort, Eject, Zoom and Rotate.
When your mouse hovers over an alternative or button, a brief description pops as much as clarify what the feature does.
The genuine alternate options displayed in any pane depend on a few components, including the scanner's capabilities and different settings.
that you may decide to use the superior mode, where you flip all of the switches you desire or book Me mode, in which VueScan takes you step-via-step throughout the scanning technique. it's very convenient to get issues wrong, so do not be shy about the use of guide Me mode. VueScan has lots of controls and a bit guidance won't hurt.
when you've installation options for a selected project, which you could save them to disk. Resetting them to the defaults is a menu option, as is loading saved alternate options.
MAKING CORRECTIONS | lower back to Contents
VueScan displays two histograms. The properly one is the histogram of the uncooked statistics (viewed in the Preview) and the backside one is that of the corrected records that will be saved to disk. you could alter the good histogram's highlight and shadow cutoffs.
and not using a midtone adjustment, it really is precious little manage. peculiarly since that there is no curves to fiddle with both.
That made us nervous, however definitely, VueScan's automatic white balance became out to be authentic. and since we might keep the scanner's raw output for processing in a picture editor, any correction became only delayed, not denied.
That goes for filtering, too. VueScan does offer some built-in filtering for infrared cleanup (on scanners that aid it), restoration of colors and fading, grain reduction (none, easy, medium or heavy) and sharpening (just a checkbox). Descreening (eliminating halftone dots) is enabled in the event you set Media on the input tab to Newspaper or magazine. It comprises a field for the monitor cost (133 lpi, for example), too.
colour correction, attainable from the color tab, is likewise rudimentary. The white balance settings are wide (None, manual, neutral, Tungsten, Fluorescent, night, Auto stages, panorama and Portrait) and you may set the clipping percent of each the black and white elements. which you can also modify common brightness, as smartly as the brightness of the crimson, eco-friendly and blue channels.
So, in brief, you don't fiddle tons with tonal or colour corrections in VueScan. You let VueScan fiddle. And it fiddles pretty smartly.
SCANNING SLIDES | back to Contents
VueScan does do some severe fidgeting with dwindled colorations. We put VueScan to the look at various with some 42 year-old Kodak Ektachrome slides that had seen better days.
We did a traditional scan to uncooked so we might have the sensor data obtainable within the buffer to reprocess without rescanning.
in the colour tab we turned everything however infrared cleansing off. The graphic appeared more advantageous than we anticipated, the auto white balance salvaging much of the photo. Turning on restore hues helped. restore Fading helped a little bit extra. These have been moderate color shifts but they introduced an extended-long past garden back to existence.
How about an surely overexposed slide? neatly, we needed to fiddle. within the color tab, we all started with each fix alternate options enabled. Then we reduced common brightness somewhat just a little to get some lifestyles again into the picture. That left it too blue.
through right-clicking the mouse, we were capable of set white stability manually. There wasn't youngsters, a neutral spot on the photo to make use of. So we manually decreased the brightness of the blue channel to get an exquisite respectable restoration.
but here's the variety of work that would income incredibly from a curves tool, where you can selectively lock in or edit highlight, midtone or shadow values for any channel. which you can, although, have VueScan open the raw file to your photo editor and work with curves there. That produced a much better influence for us, with out a more work.
SCANNING color NEGATIVES | lower back to Contents
As standard as color negatives are, it's not daily you find application that may handle them (as we mentioned in our series of color Negatives). VueScan knows about a lot of different emulsions (over 200). And the person e-book makes it as simple because it can be to tell simply what film your negatives are so that you can inform VueScan.
Set the Media popup within the input tab to color poor and choose your emulsion on the colour tab (bad supplier, manufacturer and sort). The colour negative setting increases green exposure time 2.5 instances and blue 3.5 times to make amends for the orange masks.
identifying the emulsion is optional, but when you do that after profiling your scanner, you'll be delighted along with your outcomes. Deliriously delighted.
just for enjoyable, we tried to tweak the color steadiness of a couple of of these in Photoshop, however we could not make a whole lot of an growth.
custom SCANNING | back to Contents
Auto white stability and the film database are, well-nigh, shortcuts. To squeeze every thing that you may out of a scan, you are going to are looking to account for emulsion batch and processing variables, too.
VueScan allows you to do this by locking the exposure on the highlight enviornment for slides (some white spot) or the shadow area for negatives (the orange chief).
Locking the publicity on that value will assist you to scan a whole roll of movie with most effective exposure values. You may also have to scroll down the input pane to see that option.
that you would be able to then additionally lock the movie base colour for colour negatives, saving time when scanning a roll of movie. See the advanced Workflow section of the person e book for details.
PHOTOCOPYING & LINE art | returned to Contents
every so often you just need your flatbed to behave like a photocopier. VueScan makes that elementary the use of its replica to Printer mode. just Scan and the influence should be despatched to your printer. You may also set your scanner's buttons within the Prefs pane to scan the current page and print the latest web page so it actually behaves like a photocopier.
Scanning line paintings on a flatbed is so simple as deciding on Lineart within the Media popup on the enter tab.
CONCLUSION | back to Contents
You may additionally are living fortunately ever after with the scanning utility that came along with your scanner. but when you don't seem to be chuffed or you want to learn one application for you to use with your next scanner, too, you have one query: SilverFast or VueScan?
The answer depends primarily on how you want to work together with your scanner. we have gotten unbelievable outcomes from both functions, so we do not feel the situation is excellent. it be workflow. SilverFast is in a position to lots of image enhancing prior to the scan from curve adjustments to unsharp covering with spot densitometer readings to provide you with real feedback. With VueScan, you go away the tweaking to the software.
If the originals you might be working with want prescan tweaking, VueScan isn't the right device. but in practice, we appreciated the consequences VueScan delivered and had been chiefly impressed with its managing of color negatives. once we couldn't make changes in VueScan, modifying the uncooked file in our photo editor did the trick. VueScan squeezed a lot of guidance out of the scan. we'd have no situation relying on it as our simplest scanning application.
So do yourself a prefer. down load the demo and see for yourself.
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